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<article class="content wrap" id="_content" data-uid="Lucene.Net.Store.NRTCachingDirectory">
<h1 id="Lucene_Net_Store_NRTCachingDirectory" data-uid="Lucene.Net.Store.NRTCachingDirectory" class="text-break">Class NRTCachingDirectory
</h1>
<div class="markdown level0 summary"><p>Wraps a <a class="xref" href="Lucene.Net.Store.RAMDirectory.html">RAMDirectory</a>
around any provided delegate directory, to
be used during NRT search.</p>
<p>This class is likely only useful in a near-real-time
context, where indexing rate is lowish but reopen
rate is highish, resulting in many tiny files being
written. This directory keeps such segments (as well as
the segments produced by merging them, as long as they
are small enough), in RAM.</p>
<p>This is safe to use: when your app calls <a class="xref" href="Lucene.Net.Index.IndexWriter.html#Lucene_Net_Index_IndexWriter_Commit">Commit()</a>,
all cached files will be flushed from the cached and sync&apos;d.</p>
<p><p>Here&apos;s a simple example usage:</p>
<pre><code> Directory fsDir = FSDirectory.Open(new DirectoryInfo(&quot;/path/to/index&quot;));
NRTCachingDirectory cachedFSDir = new NRTCachingDirectory(fsDir, 5.0, 60.0);
IndexWriterConfig conf = new IndexWriterConfig(Version.LUCENE_48, analyzer);
IndexWriter writer = new IndexWriter(cachedFSDir, conf);</code></pre>
<p><p>This will cache all newly flushed segments, all merges
whose expected segment size is &lt;= 5 MB, unless the net
cached bytes exceeds 60 MB at which point all writes will
not be cached (until the net bytes falls below 60 MB).</p>
<p>
<div class="lucene-block lucene-experimental">This is a Lucene.NET EXPERIMENTAL API, use at your own risk</div></div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><span class="xref">System.Object</span></div>
<div class="level1"><a class="xref" href="Lucene.Net.Store.Directory.html">Directory</a></div>
<div class="level2"><span class="xref">NRTCachingDirectory</span></div>
</div>
<div classs="implements">
<h5>Implements</h5>
<div><span class="xref">System.IDisposable</span></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_OpenChecksumInput_System_String_Lucene_Net_Store_IOContext_">Directory.OpenChecksumInput(String, IOContext)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_Dispose">Directory.Dispose()</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_Copy_Lucene_Net_Store_Directory_System_String_System_String_Lucene_Net_Store_IOContext_">Directory.Copy(Directory, String, String, IOContext)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_EnsureOpen">Directory.EnsureOpen()</a>
</div>
<div>
<span class="xref">System.Object.Equals(System.Object)</span>
</div>
<div>
<span class="xref">System.Object.Equals(System.Object, System.Object)</span>
</div>
<div>
<span class="xref">System.Object.GetHashCode()</span>
</div>
<div>
<span class="xref">System.Object.GetType()</span>
</div>
<div>
<span class="xref">System.Object.MemberwiseClone()</span>
</div>
<div>
<span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
</div>
</div>
<h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.Store.html">Lucene.Net.Store</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.dll</h6>
<h5 id="Lucene_Net_Store_NRTCachingDirectory_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class NRTCachingDirectory : Directory, IDisposable</code></pre>
</div>
<h3 id="constructors">Constructors
</h3>
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<a id="Lucene_Net_Store_NRTCachingDirectory__ctor_" data-uid="Lucene.Net.Store.NRTCachingDirectory.#ctor*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory__ctor_Lucene_Net_Store_Directory_System_Double_System_Double_" data-uid="Lucene.Net.Store.NRTCachingDirectory.#ctor(Lucene.Net.Store.Directory,System.Double,System.Double)">NRTCachingDirectory(Directory, Double, Double)</h4>
<div class="markdown level1 summary"><p>We will cache a newly created output if 1) it&apos;s a
flush or a merge and the estimated size of the merged segment is &lt;=
maxMergeSizeMB, and 2) the total cached bytes is &lt;=
maxCachedMB</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public NRTCachingDirectory(Directory delegate, double maxMergeSizeMB, double maxCachedMB)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.Directory.html">Directory</a></td>
<td><span class="parametername">delegate</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Double</span></td>
<td><span class="parametername">maxMergeSizeMB</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Double</span></td>
<td><span class="parametername">maxCachedMB</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
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<a id="Lucene_Net_Store_NRTCachingDirectory_Delegate_" data-uid="Lucene.Net.Store.NRTCachingDirectory.Delegate*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_Delegate" data-uid="Lucene.Net.Store.NRTCachingDirectory.Delegate">Delegate</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual Directory Delegate { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.Directory.html">Directory</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Store_NRTCachingDirectory_LockFactory_" data-uid="Lucene.Net.Store.NRTCachingDirectory.LockFactory*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_LockFactory" data-uid="Lucene.Net.Store.NRTCachingDirectory.LockFactory">LockFactory</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override LockFactory LockFactory { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.LockFactory.html">LockFactory</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_LockFactory">Directory.LockFactory</a></div>
<h3 id="methods">Methods
</h3>
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<a id="Lucene_Net_Store_NRTCachingDirectory_ClearLock_" data-uid="Lucene.Net.Store.NRTCachingDirectory.ClearLock*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_ClearLock_System_String_" data-uid="Lucene.Net.Store.NRTCachingDirectory.ClearLock(System.String)">ClearLock(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override void ClearLock(string name)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_ClearLock_System_String_">Directory.ClearLock(String)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_CreateOutput_" data-uid="Lucene.Net.Store.NRTCachingDirectory.CreateOutput*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_CreateOutput_System_String_Lucene_Net_Store_IOContext_" data-uid="Lucene.Net.Store.NRTCachingDirectory.CreateOutput(System.String,Lucene.Net.Store.IOContext)">CreateOutput(String, IOContext)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override IndexOutput CreateOutput(string name, IOContext context)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Store.IOContext.html">IOContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.IndexOutput.html">IndexOutput</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_CreateOutput_System_String_Lucene_Net_Store_IOContext_">Directory.CreateOutput(String, IOContext)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_CreateSlicer_" data-uid="Lucene.Net.Store.NRTCachingDirectory.CreateSlicer*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_CreateSlicer_System_String_Lucene_Net_Store_IOContext_" data-uid="Lucene.Net.Store.NRTCachingDirectory.CreateSlicer(System.String,Lucene.Net.Store.IOContext)">CreateSlicer(String, IOContext)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override Directory.IndexInputSlicer CreateSlicer(string name, IOContext context)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Store.IOContext.html">IOContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.Directory.IndexInputSlicer.html">Directory.IndexInputSlicer</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_CreateSlicer_System_String_Lucene_Net_Store_IOContext_">Directory.CreateSlicer(String, IOContext)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_DeleteFile_" data-uid="Lucene.Net.Store.NRTCachingDirectory.DeleteFile*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_DeleteFile_System_String_" data-uid="Lucene.Net.Store.NRTCachingDirectory.DeleteFile(System.String)">DeleteFile(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override void DeleteFile(string name)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_DeleteFile_System_String_">Directory.DeleteFile(String)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_Dispose_" data-uid="Lucene.Net.Store.NRTCachingDirectory.Dispose*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_Dispose_System_Boolean_" data-uid="Lucene.Net.Store.NRTCachingDirectory.Dispose(System.Boolean)">Dispose(Boolean)</h4>
<div class="markdown level1 summary"><p>Dispose this directory, which flushes any cached files
to the delegate and then disposes the delegate.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected override void Dispose(bool disposing)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td><span class="parametername">disposing</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_Dispose_System_Boolean_">Directory.Dispose(Boolean)</a></div>
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<a href="https://github.com/apache/lucenenet/new/docs/4.8.0-beta00010/websites/apidocs/apiSpec/new?filename=Lucene_Net_Store_NRTCachingDirectory_DoCacheWrite_System_String_Lucene_Net_Store_IOContext_.md&amp;value=---%0Auid%3A%20Lucene.Net.Store.NRTCachingDirectory.DoCacheWrite(System.String%2CLucene.Net.Store.IOContext)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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</span>
<a id="Lucene_Net_Store_NRTCachingDirectory_DoCacheWrite_" data-uid="Lucene.Net.Store.NRTCachingDirectory.DoCacheWrite*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_DoCacheWrite_System_String_Lucene_Net_Store_IOContext_" data-uid="Lucene.Net.Store.NRTCachingDirectory.DoCacheWrite(System.String,Lucene.Net.Store.IOContext)">DoCacheWrite(String, IOContext)</h4>
<div class="markdown level1 summary"><p>Subclass can override this to customize logic; return
<code>true</code> if this file should be written to the <a class="xref" href="Lucene.Net.Store.RAMDirectory.html">RAMDirectory</a>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual bool DoCacheWrite(string name, IOContext context)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Store.IOContext.html">IOContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Store_NRTCachingDirectory_FileExists_" data-uid="Lucene.Net.Store.NRTCachingDirectory.FileExists*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_FileExists_System_String_" data-uid="Lucene.Net.Store.NRTCachingDirectory.FileExists(System.String)">FileExists(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">[Obsolete(&quot;this method will be removed in 5.0&quot;)]
public override bool FileExists(string name)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_FileExists_System_String_">Directory.FileExists(String)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_FileLength_" data-uid="Lucene.Net.Store.NRTCachingDirectory.FileLength*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_FileLength_System_String_" data-uid="Lucene.Net.Store.NRTCachingDirectory.FileLength(System.String)">FileLength(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override long FileLength(string name)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int64</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_FileLength_System_String_">Directory.FileLength(String)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_GetLockID_" data-uid="Lucene.Net.Store.NRTCachingDirectory.GetLockID*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_GetLockID" data-uid="Lucene.Net.Store.NRTCachingDirectory.GetLockID">GetLockID()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override string GetLockID()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_GetLockID">Directory.GetLockID()</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_GetSizeInBytes_" data-uid="Lucene.Net.Store.NRTCachingDirectory.GetSizeInBytes*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_GetSizeInBytes" data-uid="Lucene.Net.Store.NRTCachingDirectory.GetSizeInBytes">GetSizeInBytes()</h4>
<div class="markdown level1 summary"><p>Returns how many bytes are being used by the
<a class="xref" href="Lucene.Net.Store.RAMDirectory.html">RAMDirectory</a> cache</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual long GetSizeInBytes()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int64</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Store_NRTCachingDirectory_ListAll_" data-uid="Lucene.Net.Store.NRTCachingDirectory.ListAll*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_ListAll" data-uid="Lucene.Net.Store.NRTCachingDirectory.ListAll">ListAll()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override string[] ListAll()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span>[]</td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_ListAll">Directory.ListAll()</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_ListCachedFiles_" data-uid="Lucene.Net.Store.NRTCachingDirectory.ListCachedFiles*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_ListCachedFiles" data-uid="Lucene.Net.Store.NRTCachingDirectory.ListCachedFiles">ListCachedFiles()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual string[] ListCachedFiles()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span>[]</td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Store_NRTCachingDirectory_MakeLock_" data-uid="Lucene.Net.Store.NRTCachingDirectory.MakeLock*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_MakeLock_System_String_" data-uid="Lucene.Net.Store.NRTCachingDirectory.MakeLock(System.String)">MakeLock(String)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override Lock MakeLock(string name)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.Lock.html">Lock</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_MakeLock_System_String_">Directory.MakeLock(String)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_OpenInput_" data-uid="Lucene.Net.Store.NRTCachingDirectory.OpenInput*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_OpenInput_System_String_Lucene_Net_Store_IOContext_" data-uid="Lucene.Net.Store.NRTCachingDirectory.OpenInput(System.String,Lucene.Net.Store.IOContext)">OpenInput(String, IOContext)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override IndexInput OpenInput(string name, IOContext context)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">name</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Store.IOContext.html">IOContext</a></td>
<td><span class="parametername">context</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Store.IndexInput.html">IndexInput</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_OpenInput_System_String_Lucene_Net_Store_IOContext_">Directory.OpenInput(String, IOContext)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_SetLockFactory_" data-uid="Lucene.Net.Store.NRTCachingDirectory.SetLockFactory*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_SetLockFactory_Lucene_Net_Store_LockFactory_" data-uid="Lucene.Net.Store.NRTCachingDirectory.SetLockFactory(Lucene.Net.Store.LockFactory)">SetLockFactory(LockFactory)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override void SetLockFactory(LockFactory lockFactory)</code></pre>
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<h5 class="parameters">Parameters</h5>
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<th>Type</th>
<th>Name</th>
<th>Description</th>
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<tr>
<td><a class="xref" href="Lucene.Net.Store.LockFactory.html">LockFactory</a></td>
<td><span class="parametername">lockFactory</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_SetLockFactory_Lucene_Net_Store_LockFactory_">Directory.SetLockFactory(LockFactory)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_Sync_" data-uid="Lucene.Net.Store.NRTCachingDirectory.Sync*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_Sync_System_Collections_Generic_ICollection_System_String__" data-uid="Lucene.Net.Store.NRTCachingDirectory.Sync(System.Collections.Generic.ICollection{System.String})">Sync(ICollection&lt;String&gt;)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override void Sync(ICollection&lt;string&gt; fileNames)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
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<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.ICollection</span>&lt;<span class="xref">System.String</span>&gt;</td>
<td><span class="parametername">fileNames</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_Sync_System_Collections_Generic_ICollection_System_String__">Directory.Sync(ICollection&lt;String&gt;)</a></div>
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<a id="Lucene_Net_Store_NRTCachingDirectory_ToString_" data-uid="Lucene.Net.Store.NRTCachingDirectory.ToString*"></a>
<h4 id="Lucene_Net_Store_NRTCachingDirectory_ToString" data-uid="Lucene.Net.Store.NRTCachingDirectory.ToString">ToString()</h4>
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<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
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<pre><code class="lang-csharp hljs">public override string ToString()</code></pre>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="Lucene.Net.Store.Directory.html#Lucene_Net_Store_Directory_ToString">Directory.ToString()</a></div>
<h3 id="implements">Implements</h3>
<div>
<span class="xref">System.IDisposable</span>
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